3761887 - iFlow posting data via HTTP adapter fails with error "java.nio.channels.ClosedChannelException"

• The following error message can be seen in CPI message processing logs after executing iFlow sending data via HTTP adapter:
  
  java.net.ConnectException: https://<remote host>:443, cause: java.nio.channels.ClosedChannelException
  
  
• When the Log Level in Monitor Message Processing is set to "Trace", the following error is also shown:
  
  Suppressed: io.netty.handler.ssl.StacklessSSLHandshakeException: Connection closed while SSL/TLS handshake was in progress at io.netty.handler.ssl.SslHandler.channelInactive(Unknown Source)
  
  
• Traffic capture (tcpdump/Wireshark) shows an immediate RST packet returned to CPI after the Client Hello.
  
  

Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental.

• SAP Integration Suite
• SAP Business Technology Platform
• Cloud Integration

CPI, Integration Suite, HTTP, adapter, java.nio.channels.ClosedChannelException, java.net.ConnectException, handshake, TLS, SSL , KBA , LOD-HCI-PI-OPS , Cloud Operations , Problem